leakage percent
41petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
42renal system — ▪ anatomy Introduction in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. In many respects the human excretory, or… …
43Emissions trading — (or emission trading) is an administrative approach used to control pollution by providing economic incentives for achieving reductions in the emissions of pollutants. It is sometimes called cap and trade.A central authority (usually a government …
44radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
45Petitcodiac River — Petitcodiac River …
46Humanitarian Use Licenses — are provisions in a license whereby inventors and technology suppliers protect in advance the possibility of sharing their technology with people in need. Thus, Humanitarian Use Licenses set the conditions for the provision of access to… …
47Efficient energy use — Energy efficiency redirects here. For energy efficiency as a ratio in physics, see Energy conversion efficiency. Efficient energy use, sometimes simply called energy efficiency, is using less energy to provide the same level of energy service. An …
48electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… …
49cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …
50burn — burn1 burnable, adj. /berrn/, v., burned or burnt, burning, n. v.i. 1. to undergo rapid combustion or consume fuel in such a way as to give off heat, gases, and, usually, light; be on fire: The fire burned in the grate. 2. (of a fireplace,… …
